... instances, hot extrusion of watch case, watch flan, handle, mold accessory, kitchen and table ware, art ware, standard part ... hardware molds, such as small-size mold, mold accessory and inner hole of mold.C. Welding (braze welding, silver soldering ... and kitchen products, refrigerating copper fitting, lamp decoration fitting, precision mold fitting, hardware handle, eggbeater, alloy steel and steel, ...